What is the biggest event that was ever hosted?

Question

What is the biggest event (Concart, Show, ECT...) that was ever hosted?

(Not counting the Olympic Games I have been told that about 8.6 million people attend them.)

Do you know...

How many people attend the event.

Who was in the event.

Who hosted the event.

Answer 1

World War I

Answer 2

live 8

Answer 3

Band Aid and/or Live Aid

Thank you Bob Geldof for hating Mondays and loving charity events.

Answer 4

One poster said Live Aid.  There were only 99,000 people who attended the concerts while 1.4 billion watched it on TV.

The famous Woodstock concert had almost 200,000 people attending the shows.

http://en.wikipedia.org/wiki/Live_Aid

http://en.wikipedia.org/wiki/Woodstock